he ngutu kau
1. it's just paying lip service, hypocrite - an idiom for someone who doesn't fulfil a promise.
I kī mai a Rūkahu ka whakahokia mai taku kāmera inatahirā. Tērā pea he ngutu kau noa. / Rūkahu said he would return my camera the day before yesterday. It was probably just paying lip service.